20080282912 | Waste Compaction Unit - This invention relates to a unit for compacting waste prior to disposal. The invention provides a waste compaction unit for fitting into a housing comprising a lid and an interior for collecting waste, the compaction unit comprising a plunger comprising bellows housed in said lid; a pneumatic locking mechanism housed in said lid; and a pump connected to the plunger via said locking mechanism wherein the pump is arranged in operation to activate the locking mechanism prior to inflating the bellows to extend the plunger axially towards the bin interior such that any waste collected therein is compacted. | 11-20-2008 |